<template>
    <el-container class="home-container">
        <!-- 头部 -->
        <el-header>
            <div>
                <!-- <img style="margin-left: 15px" src="@/assets/logo.png" alt="" /> -->
                <span style="margin-left: 20px">物流管理系统</span>
            </div>
            <div></div>
            <el-button type="info" @click="logout">退出</el-button>
        </el-header>
        <!-- 主体内容 -->
        <el-container>
            <!-- 侧边栏内容 -->
            <el-aside :width="isCollapse ? '64px' : '200px'">
                <div class="toggle-button" @click="toggleCollapse">|||</div>
                <el-menu class="el-menu-vertical-demo" background-color="rgb(203, 187, 190)" text-color="#fff"
                    active-text-color="#409fff" :unique-opened="true" :collapse="isCollapse" :collapse-transition="false"
                    :router="true" :default-active="activePath">
                    <!-- 一级菜单 -->
                    <el-submenu :index="item.id + ''" v-for="item in menuList" :key="item.id">
                        <!-- 一级菜单的模板区 -->
                        <template slot="title">
                            <!-- 图标 -->
                            <i :class="iconsObj[item.id]"></i>
                            <!-- 文本 -->
                            <span>{{ item.authName }}</span>
                        </template>

                        <!-- 二级菜单 -->
                        <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id"
                            @click="saveNavState('/' + subItem.path)">
                            <template slot="title">
                                <!-- 图标 -->
                                <i class="el-icon-menu"></i>
                                <!-- 文本 -->
                                <span>{{ subItem.authName }}</span>
                            </template>
                        </el-menu-item>
                    </el-submenu>
                </el-menu>
            </el-aside>
            <!-- 显示内容 -->
            <el-main>
                <!-- 路由占位符 -->
                <router-view></router-view>
            </el-main>
        </el-container>
    </el-container>
</template>
<script>
export default {
    data() {
        return {
            menuList: [], //左侧菜单数据
            iconsObj: {
                125: 'iconfont icon-user',
                103: 'iconfont icon-tijikongjian',
                101: 'iconfont icon-shangpin',
                102: 'iconfont icon-danju',
                145: 'iconfont icon-baobiao',
            },
            isCollapse: false,
            activePath: '', //被激活的链接地址
        };
    },
    created() {
        this.getMenuList();
        this.activePath = window.sessionStorage.getItem('activePath');
    },
    mounted() { },
    methods: {
        logout() {
            window.sessionStorage.clear();
            this.$router.push('/login');
        },
        //获取菜单
        getMenuList() {
            this.$http.get('menus').then(res => {
                console.log(res);
                if (res.data.meta.status != 200) {
                    this.$message.error(res.meta.msg);
                    return;
                }
                this.menuList = res.data.data;
            });
        },
        toggleCollapse() {
            this.isCollapse = !this.isCollapse;
        },
        saveNavState(activePath) {
            window.sessionStorage.setItem('activePath', activePath);
            this.activePath = activePath;
        },
    },
};
</script>
<style lang="less" scoped>
.home-container {
    height: 100%;
}

.el-header {
    background-color: rgb(203, 187, 190);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    font-size: 20px;
}

.iconfont {
    margin-right: 10px;
}
</style>